CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
CONSOLIDATED BALANCE SHEETS
Accounts receivable, allowances (in dollars)	$ 8,269	$ 8,257
Other accounts receivable, allowances (in dollars)	$ 656	$ 648
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, authorized shares	70,000,000	70,000,000
Common stock, issued shares	30,402,056	30,401,768
Treasury stock, at cost, shares	7,373,609	7,114,844